Question

pls pls help guys ♥️​

Answer 1

In triangle ACE

CE = 10800 m

AC=BD

In triangle BED

CD+DE=CE

CD+3600=10800

CD=10800-3600=7200 m

Distance travelled = 7200 m

Time taken = 30 seconds

In 1 seconds = 240 m

In 3600 seconds ( 1 hour ) = 240×3600 = 86400 m = 864 km

Speed = 864 km/h

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